:root{
  --paper:#eef1f5; --surface:#fff; --surface-2:#f7f9fb;
  --ink:#101720; --ink-soft:#3d4a57; --muted:#6a7885; --line:#dfe5ea; --line-soft:#eef2f5;
  --pv:#2f5fe0; --vis:#0d9488; --uni:#7c5cd6; --pos:#0b7a4b; --neg:#c9491c;
  --r:12px; --r-sm:8px;
  --shadow:0 1px 2px rgba(16,23,32,.05), 0 8px 24px -16px rgba(16,23,32,.28);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-variant-numeric:tabular-nums;
  font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--pv);text-decoration:none}
a:hover{text-decoration:underline}
h2{font-size:14px;font-weight:600;letter-spacing:.01em;margin:0 0 14px;color:var(--ink)}

/* ---------- rozvržení ---------- */
.layout{display:grid;grid-template-columns:236px 1fr;min-height:100vh}
.rail{background:var(--ink);color:#aebbc7;padding:20px 14px;display:flex;flex-direction:column;gap:20px;
  position:sticky;top:0;height:100vh;overflow-y:auto}
.rail h1{font-size:16px;margin:0 4px;color:#fff;letter-spacing:.2px;font-weight:600}
.rail h1 span{color:var(--vis)}
.rail nav{display:flex;flex-direction:column;gap:1px}
.rail nav a{color:#aebbc7;padding:8px 10px;border-radius:var(--r-sm);font-size:13.5px;line-height:1.35}
.rail nav a:hover{background:rgba(255,255,255,.07);color:#e7edf3;text-decoration:none}
.rail nav a.on{background:rgba(255,255,255,.13);color:#fff;font-weight:500}
.rail .sep{height:1px;background:rgba(255,255,255,.1);margin:8px 6px}
.rail select{width:100%;padding:9px 10px;border-radius:var(--r-sm);border:1px solid #2c3a47;
  background:#18222d;color:#fff;font:inherit;font-size:13.5px}
.rail .foot{margin-top:auto;font-size:12px;color:#7d8b98;padding:0 4px;line-height:1.5}
.main{padding:24px 28px 72px;max-width:1280px;width:100%}

/* ---------- lišta období ---------- */
.bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  margin:0 0 18px;padding:10px 0;position:sticky;top:0;z-index:5;
  background:linear-gradient(var(--paper) 78%,rgba(238,241,245,0))}
.ranges{display:flex;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:3px}
.ranges button{border:0;background:none;padding:6px 13px;border-radius:999px;font:inherit;font-size:13px;
  cursor:pointer;color:var(--muted)}
.ranges button:hover{color:var(--ink)}
.ranges button.on{background:var(--ink);color:#fff}
.dates{display:flex;gap:6px;align-items:center;font-size:13px;color:var(--muted)}
.dates input{border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 9px;font:inherit;font-size:13px;
  background:var(--surface);color:var(--ink)}
.live{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;font-size:13px;color:var(--ink-soft)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--vis);box-shadow:0 0 0 3px rgba(13,148,136,.16)}
.dot.idle{background:#c2ccd5;box-shadow:none}

/* ---------- dlaždice ---------- */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(172px,1fr));gap:12px;margin-bottom:14px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:15px 16px 14px;
  box-shadow:var(--shadow)}
.tile .k{font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.tile .v{font-size:31px;font-weight:650;letter-spacing:-.6px;margin-top:6px;line-height:1.1}
.tile .d{display:inline-block;font-size:12px;margin-top:6px;color:var(--muted)}
.up{color:var(--pos)}.down{color:var(--neg)}

/* ---------- panely ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;
  box-shadow:var(--shadow);margin-bottom:14px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:14px;align-items:start}
.section-title{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);
  margin:26px 0 10px;font-weight:600}

/* ---------- tabulky ---------- */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;font-weight:500;color:var(--muted);font-size:12px;padding:0 8px 8px 0;
  letter-spacing:.03em;text-transform:uppercase;white-space:nowrap}
td{padding:7px 8px 7px 0;border-top:1px solid var(--line-soft);vertical-align:middle}
tbody tr:hover td{background:var(--surface-2)}
td.n,th.n{text-align:right;padding-right:0;width:78px;color:var(--muted);white-space:nowrap}
td.n b{color:var(--ink);font-weight:600}
.bar-cell{position:relative}
.bar-cell i{position:absolute;left:0;right:8px;bottom:1px;height:3px;background:var(--pv);opacity:.22;border-radius:2px}
.bar-cell span{position:relative;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46ch}
.empty{color:var(--muted);font-size:13.5px;padding:14px 0;text-align:center}
.skeleton{height:86px;border-radius:var(--r);background:linear-gradient(90deg,#e9edf1,#f4f7f9,#e9edf1);
  background-size:200% 100%;animation:sk 1.2s linear infinite}
@keyframes sk{to{background-position:-200% 0}}

/* ---------- formuláře ---------- */
.card-login{max-width:380px;margin:11vh auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);padding:28px;box-shadow:var(--shadow)}
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 5px}
input[type=text],input[type=email],input[type=password],input[type=date],textarea,select{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:var(--r-sm);font:inherit;
  background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(47,95,224,.35);outline-offset:1px;border-color:var(--pv)}
input[type=checkbox]{width:auto;accent-color:var(--pv)}
.check{display:flex;gap:9px;align-items:center;margin:8px 0;font-size:14px;color:var(--ink);cursor:pointer}
button.primary{margin-top:18px;background:var(--pv);color:#fff;border:0;border-radius:var(--r-sm);
  padding:10px 18px;font:inherit;font-weight:500;cursor:pointer}
button.primary:hover{background:#2850c4}
button.ghost{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:8px 13px;font:inherit;font-size:13.5px;cursor:pointer;color:var(--ink-soft)}
button.ghost:hover{border-color:#c6d0d9;background:var(--surface-2)}
button.danger{color:var(--neg);border-color:#f0cfc2}
button.danger:hover{background:#fdf1ec;border-color:#e3b4a2}

/* ---------- kód ---------- */
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}
code{background:var(--surface-2);border:1px solid var(--line-soft);border-radius:5px;padding:1px 5px}
.codebox{position:relative;margin:0 0 6px}
.codebox pre{background:#111a24;color:#e6edf3;padding:14px 92px 14px 14px;border-radius:var(--r-sm);
  overflow-x:auto;margin:0;line-height:1.5;white-space:pre;word-break:normal}
.codebox pre code{background:none;border:0;padding:0;color:inherit}
.codebox button{position:absolute;top:8px;right:8px;background:rgba(255,255,255,.12);color:#e6edf3;
  border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:5px 10px;font:inherit;font-size:12px;cursor:pointer}
.codebox button:hover{background:rgba(255,255,255,.2)}

/* ---------- hlášky ---------- */
.note{font-size:13px;color:var(--muted);line-height:1.55}
.err,.ok{padding:10px 13px;border-radius:var(--r-sm);font-size:13.5px;margin:0 0 14px}
.err{background:#fdeee8;border:1px solid #f4c7b5;color:#9e3a16}
.ok{background:#e8f6ef;border:1px solid #b4dfca;color:#0a6742}
.badge{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:999px;background:var(--surface-2);
  border:1px solid var(--line);color:var(--muted)}
.back{display:inline-block;margin-bottom:14px;font-size:13.5px}

@media(max-width:900px){
  .layout{grid-template-columns:1fr}
  .rail{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:12px;padding:14px}
  .rail h1{flex:0 0 auto}
  .rail select{width:auto;flex:1;min-width:160px}
  .rail nav{flex-direction:row;flex-wrap:wrap;width:100%}
  .rail .sep,.rail .foot{display:none}
  .main{padding:16px 14px 60px}
  .bar{position:static;background:none}
  .tile .v{font-size:26px}
}